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o="ORIGIN",a="FISHEYE_CYLINDER",f="FISHEYE_360D",c="FISHEYE_180D",u="FISHEYE_LONGITUDE",s="FISHEYE_LATITUDE",d="FISHEYE_CALIB",l="FISHEYE_WIN_PLANE_TOP_QUAD",h="FISHEYE_WIN_PLANE_TOP",p="FISHEYE_WIN_PLANE_WALL",y="YUV_FRAME",v="VIDEO_FRAME",g=(Math.PI,1),O=(Math.PI,Math.PI,Math.PI,.002),x=[1,1,0,-1,1,0,1,-1,0,-1,-1,0],b=[1,0,0,0,1,1,0,1],m=Math.PI/2,E=1,T=-.9,P=[0,Math.PI/2,Math.PI,3*Math.PI/2],R=.8,_=.4,A=0,w=0,S=g,I=g,C=0,M=1,D=["attribute highp vec4 aVertexPosition;","attribute vec2 aTextureCoord;","varying highp vec2 vTextureCoord;","void main(void) {","gl_Position = aVertexPosition;","vTextureCoord = aTextureCoord;","}"].join("\n"),U=["precision highp float;","varying lowp vec2 vTextureCoord;"].join("\n"),N=["uniform sampler2D YTexture;","uniform sampler2D UTexture;","uniform sampler2D VTexture;"].join("\n"),W="uniform sampler2D videoTexture;\n",j="uniform float fAngle;\n",F=["uniform float fAngle;","uniform float unfoldPara;","uniform float heightOverWidthOfScreen;"].join("\n"),L=["uniform float heightOverWidthOfVideo;","uniform float unfoldPara;","uniform int projMode;","uniform float coefficient;"].join("\n"),V=["uniform float heightOverWidthOfVideo;","uniform float unfoldPara;","uniform int projMode;","uniform float coefficient;"].join("\n"),H=["uniform float alpha;","uniform float beta;","uniform float sizeOverPointZ;","uniform float viewPointZ;","uniform float heightOverWidthOfScreen;","uniform float heightOverWidthOfVideo;","uniform int projMode;","uniform float coefficient;"].join("\n"),B=["uniform float hazermA;","uniform int hazermWidth;","uniform int hazermHeight;"].join("\n"),z=["vec2 cylinder(in vec2 tc, in float fAngle, in float unfoldPara, in float heightOverWidthOfScreen){","vec2 tcOut = vec2(-1.0, -1.0);","float fInclineAngle = 0.18 * (2.0 - unfoldPara);","float x1 = (tc.x - (1.0 - heightOverWidthOfScreen * unfoldPara * (0.6 * unfoldPara + 0.4)) / 2.0) / (heightOverWidthOfScreen * unfoldPara * (0.6 * unfoldPara + 0.4));","float y1 = 1.0 - tc.y;","float x2, y2;","float x3, y3;","if(y1 >= fInclineAngle + sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle && y1 <= (1.0- fInclineAngle) + sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle && ((x1>=0.0 && x1<=(1.0/unfoldPara-0.5)) || (x1 >=(1.5-1.0/unfoldPara) && x1<=1.0))){","x2 = x1;","y2 = (y1 - sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle - fInclineAngle) / (1.0 - 2.0 * fInclineAngle);","if(x2 < (1.0 / unfoldPara - 0.5)){","x3 = 0.0 - ((asin((x2 - (1.0 / unfoldPara - 0.5)) / (1.0 / unfoldPara - 0.5)) * 2.0 / 3.1415926) * (1.0 - 0.5 * unfoldPara) / 2.0);","y3 = y2;","}else{","x3 = 1.0 - (asin((x2 - (1.5 - 1.0 / unfoldPara)) / (1.0 / unfoldPara - 0.5)) * 2.0 / 3.1415926) * (1.0 - 0.5 * unfoldPara) / 2.0;","y3 = y2;","}","tcOut.x = (1.0 + (y3 * 0.8 + 0.2) * cos(x3 * 2.0 * 3.1415926 + fAngle)) / 2.0;","tcOut.y = (1.0 + (y3 * 0.8 + 0.2) * sin(x3 * 2.0 * 3.1415926 + fAngle)) / 2.0;","}","if(y1 >= fInclineAngle - sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle && y1 <= (1.0- fInclineAngle) - sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle && x1>=0.0 && x1<=1.0){","x2 = x1;","y2 = (y1 + sqrt(x1 - x1 * x1) * 2.0 * fInclineAngle - fInclineAngle) / (1.0 - 2.0 * fInclineAngle);","x3 = (asin((x2 - 0.5) / 0.5) * 2.0 / 3.1415926 * 0.25 * unfoldPara + 0.5) * (2.0 - unfoldPara) + x2 * (unfoldPara - 1.0);","y3 = y2;","tcOut.x = (1.0 + (y3 * 0.8 + 0.2) * cos(x3 * 2.0 * 3.1415926 + fAngle)) / 2.0;","tcOut.y = (1.0 + (y3 * 0.8 + 0.2) * sin(x3 * 2.0 * 3.1415926 + fAngle)) / 2.0;","}","return tcOut;","}"].join("\n"),k=["vec2 fishEye(in vec2 tc, in float fAngle){","vec2 tcOut;","tcOut.x = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * cos(tc.x * 2.0 * 3.1415926 + fAngle);","tcOut.y = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * sin(tc.x * 2.0 * 3.1415926 + fAngle);","return tcOut;","}"].join("\n"),Y=["vec2 fishEye(in vec2 tc, in float fAngle){","vec2 tcOut;","tcOut.x = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * cos(tc.x * 3.1415926 + fAngle);","tcOut.y = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * sin(tc.x * 3.1415926 + fAngle);","return tcOut;","}"].join("\n"),Z=["vec2 fishEye(in vec2 tc, in float fAngle){","vec2 tcOut;","tcOut.x = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * cos((tc.x / 2.0 + 0.5) * 2.0 * 3.1415926 + fAngle);","tcOut.y = 0.5 + (1.0 - tc.y * 0.8) / 2.0 * sin((tc.x / 2.0 + 0.5) * 2.0 * 3.1415926 + fAngle);","return tcOut;","}"].join("\n"),G=["vec2 longitude(in vec2 tc, in float heightOverWidthOfVideo, in float unfoldPara, in int projMode, in float coefficient){","vec2 tcOut;","float cutFactor;","if (heightOverWidthOfVideo > 0.75)","cutFactor = 0.5 - 0.5 * 9.0 / 16.0 / heightOverWidthOfVideo;","else","cutFactor = 0.05 / heightOverWidthOfVideo;","cutFactor = unfoldPara*cutFactor;","tc.y = (1.0-2.0*cutFactor)*tc.y+cutFactor;","tc.y = tc.y * heightOverWidthOfVideo + 0.5 - 0.5 * heightOverWidthOfVideo;","tcOut.x = 0.5 + (tc.x - 0.5) * sqrt(0.25 - (tc.y - 0.5)*(tc.y-0.5)*(1.0+(unfoldPara-1.0)*(unfoldPara-1.0)*(unfoldPara-1.0)))/0.5;","tcOut.y = tc.y;","tcOut.y = (tcOut.y - 0.5 + 0.5 * heightOverWidthOfVideo) / heightOverWidthOfVideo;","tcOut = winplane(tcOut, 0.0, 0.0, 2.0, 1.0, heightOverWidthOfVideo, heightOverWidthOfVideo, projMode, coefficient);","return tcOut;","}"].join("\n"),q=["vec2 latitude(in vec2 tc, in float heightOverWidthOfVideo, in float unfoldPara, in int projMode, in float coefficient){","vec2 tcOut;","float cutFactor;","if (heightOverWidthOfVideo < 1.33)","cutFactor = 0.5 - 0.5 * 9.0 / 16.0 * heightOverWidthOfVideo;","else","cutFactor = 0.05 * heightOverWidthOfVideo;","cutFactor = unfoldPara*cutFactor;","tc.x = (1.0-2.0*cutFactor)*tc.x+cutFactor;","tc.x = tc.x / heightOverWidthOfVideo + 0.5 - 0.5 / heightOverWidthOfVideo;","tcOut.y = 0.5 + (tc.y - 0.5) * sqrt(0.25 - (tc.x - 0.5)*(tc.x-0.5)*(1.0+(unfoldPara-1.0)*(unfoldPara-1.0)*(unfoldPara-1.0)))/0.5;","tcOut.x = tc.x;","tcOut.x = (tcOut.x - 0.5 + 0.5 / heightOverWidthOfVideo) * heightOverWidthOfVideo;","tcOut = winplane(tcOut, 0.0, 0.0, 2.0, 1.0, heightOverWidthOfVideo, heightOverWidthOfVideo, projMode, coefficient);","return tcOut;","}"].join("\n"),X=["vec2 fishEye(in vec2 tc, in float fAngle){","vec2 tcOut;","float fFactorx = 1.2;","float fFactory = 1.2;","float fFocalx = 0.331095;","float fCenterx = 0.538893;","float fFocaly = 0.331699;","float fCentery = 0.476102;","float fK1 = -0.00712683;","float fK2 = -0.00954012;","float fK3 = 0.00416203;","float fK4 = -0.00246566;","float fCamx = (tc.x - fCenterx) / fFocalx;","float fCamy = (tc.y - fCentery) / fFocaly;","if(fCamx * fCamx + fCamy * fCamy < 0.0001){","tcOut.x = fFactorx * (tc.x - fCenterx) + fCenterx;","tcOut.y = fFactory * (tc.y - fCentery) + fCentery;","return tcOut;","}","float fTheta = atan(sqrt(fCamx * fCamx + fCamy * fCamy));","float fThetad = fTheta + fK1 * fTheta * fTheta * fTheta;","fThetad += fK2 * fTheta * fTheta * fTheta * fTheta * fTheta;","fThetad += fK3 * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta;","fThetad += fK4 * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta * fTheta;","float fCameraX = fThetad * fCamx / sqrt(fCamx * fCamx + fCamy * fCamy);","float fCameraY = fThetad * fCamy / sqrt(fCamx * fCamx + fCamy * fCamy);","tcOut.x = fCameraX * fFocalx * fFactorx + fCenterx;","tcOut.y = fCameraY * fFocaly * fFactory + fCentery;","return tcOut;","}"].join("\n"),K=["vec2 winplane(in vec2 tc, in float alpha, in float beta, in float sizeOverPointZ,in float viewPointZ,in float heightOverWidthOfScreen, in float heightOverWidthOfVideo, in int projMode, in float coefficient) {","vec2 tcOut = vec2(-1.0, -1.0);","int boxingMode = 0;","int baseOnHeight = 1;","if (boxingMode == 0){","if (heightOverWidthOfScreen > heightOverWidthOfVideo)","baseOnHeight = 0;","}","else if (boxingMode == 2) {","baseOnHeight = 0;","}","float x1, y1;","if (baseOnHeight == 1) {","x1=(tc.x-0.5)*sizeOverPointZ*heightOverWidthOfVideo/heightOverWidthOfScreen;","y1=(tc.y-0.5)*sizeOverPointZ*heightOverWidthOfVideo;","}","else {","x1=(tc.x-0.5)*sizeOverPointZ;","y1=(tc.y-0.5)*sizeOverPointZ*heightOverWidthOfScreen;","}","float a,b,c,delta,t,fTmp;","a=x1*x1+y1*y1+1.0;","c=1.0-1.0/(viewPointZ*viewPointZ);","delta = 1.0 - a * c;","if(delta >= 0.0){","float x2,y2,z2;","t= (1.0 + sqrt(delta)) / a;","x2  = t * x1;","y2 = t * y1;","z2 = (1.0 - t);","float x3,y3,z3,x4,y4,z4;","x3 = x2;","y3 = y2 * cos(alpha) - z2 * sin(alpha);","z3 = y2 * sin(alpha) + z2 * cos(alpha);","x4 = x3 * cos(beta) - y3 * sin(beta);","y4 = x3 * sin(beta) + y3 * cos(beta);","z4 = z3;","if(z4<0.0){","float s,t,fSinThita,fThita,x5,y5;","s=x4*x4+y4*y4;","fSinThita=sqrt(s);","fThita=asin(fSinThita*viewPointZ);","x5 = x4 / fSinThita;","y5 = y4 / fSinThita;","if (projMode == 0) ","t = 0.63662 * fThita;","else if (projMode == 1)","t = sin(fThita);","else if (projMode == 2)","t = sqrt(2.0) * sin(fThita / 2.0);","else if (projMode == 3)","t = tan(fThita / 2.0);","else if (projMode == 4)","t = 0.63662 * fThita * coefficient + tan(fThita / 2.0) * (1.0 - coefficient);","else if (projMode == 5)","t = 0.63662 * fThita * coefficient + sin(fThita) * (1.0 - coefficient);","else ","t = 0.63662 * fThita;","x5 = t*x5;","y5 = t*y5;","tcOut.x=(x5+1.0)/2.0;","tcOut.y=(y5+1.0)/2.0;","if(tcOut.y < 0.5 - 0.5 * heightOverWidthOfVideo || tcOut.y > 0.5 + 0.5 * heightOverWidthOfVideo)","{","tcOut.x = -1.0;","tcOut.y = -1.0;","}","else","{","tcOut.y = (tcOut.y - 0.5 + 0.5 * heightOverWidthOfVideo) / (heightOverWidthOfVideo);","}","}","}","return tcOut;","}"].join("\n"),$=["vec2 winplane(in vec2 tc, in float alpha, in float beta, in float sizeOverPointZ,in float viewPointZ,in float heightOverWidthOfScreen, in float heightOverWidthOfVideo, in int projMode, in float coefficient) {","vec2 tcOut = vec2(-1.0, -1.0);","int boxingMode = 0;","int baseOnHeight = 1;","if (boxingMode == 0){","if (heightOverWidthOfScreen > heightOverWidthOfVideo)","baseOnHeight = 0;","}","else if (boxingMode == 2) {","baseOnHeight = 0;","}","float x1, y1;","if (baseOnHeight == 1) {","x1=(tc.x-0.5)*sizeOverPointZ*heightOverWidthOfVideo/heightOverWidthOfScreen;","y1=(tc.y-0.5)*sizeOverPointZ*heightOverWidthOfVideo;","}","else {","x1=(tc.x-0.5)*sizeOverPointZ;","y1=(tc.y-0.5)*sizeOverPointZ*heightOverWidthOfScreen;","}","float a,b,c,delta,t,fTmp;","a=x1*x1+y1*y1+1.0;","c=1.0-1.0/(viewPointZ*viewPointZ);","delta = 1.0 - a * c;","if(delta >= 0.0){","float x2,y2,z2;","t= (1.0 + sqrt(delta)) / a;","x2  = t * x1;","y2 = t * y1;","z2 = (1.0 - t);","float x3,y3,z3,x4,y4,z4;","x3 = x2;","y3 = y2 * cos(alpha) - z2 * sin(alpha);","z3 = y2 * sin(alpha) + z2 * cos(alpha);","x4 = x3 * cos(beta) - z3 * sin(beta);","y4 = y3;","z4 = x3 * sin(beta) + z3 * cos(beta);","if(z4<0.0){","float s,t,fSinThita,fThita,x5,y5;","s=x4*x4+y4*y4;","fSinThita=sqrt(s);","fThita=asin(fSinThita*viewPointZ);","x5 = x4 / fSinThita;","y5 = y4 / fSinThita;","if (projMode == 0) ","t = 0.63662 * fThita;","else if (projMode == 1)","t = sin(fThita);","else if (projMode == 2)","t = sqrt(2.0) * sin(fThita / 2.0);","else if (projMode == 3)","t = tan(fThita / 2.0);","else if (projMode == 4)","t = 0.63662 * fThita * coefficient + tan(fThita / 2.0) * (1.0 - coefficient);","else if (projMode == 5)","t = 0.63662 * fThita * coefficient + sin(fThita) * (1.0 - coefficient);","else ","t = 0.63662 * fThita;","x5 = t*x5;","y5 = t*y5;","tcOut.x=(x5+1.0)/2.0;","tcOut.y=(y5+1.0)/2.0;","if(tcOut.y < 0.5 - 0.5 * heightOverWidthOfVideo || tcOut.y > 0.5 + 0.5 * heightOverWidthOfVideo)","{","tcOut.x = -1.0;","tcOut.y = -1.0;","}","else","{","tcOut.y = (tcOut.y - 0.5 + 0.5 * heightOverWidthOfVideo) / (heightOverWidthOfVideo);","}","}","}","return tcOut;","}"].join("\n"),Q=["const mat4 YUV2RGB = mat4","("," 1, 0, 1.5748, -0.7874,"," 1, -0.1868, -0.4680, 0.3274,"," 1, 1.856, 0, -0.928,"," 0, 0, 0, 1",");"].join("\n"),J=["void main() {","vec2 tc = vTextureCoord;"].join("\n"),tt="tc.y = 1.0 - tc.y;\n",et="tc.x = 1.0 - tc.x;\n",rt="tc = dewrap(tc);\n",nt="tc = fishEye(tc, fAngle);\n",it="tc = cylinder(tc, fAngle, unfoldPara + 1.0, heightOverWidthOfScreen);\n",ot="tc = longitude(tc, heightOverWidthOfVideo, unfoldPara, projMode, coefficient);\n",at="tc = latitude(tc, heightOverWidthOfVideo, unfoldPara, projMode, coefficient);\n",ft="tc = winplane(tc, alpha, beta, sizeOverPointZ, viewPointZ, heightOverWidthOfScreen, heightOverWidthOfVideo, projMode, coefficient);\n",ct=["vec3 yuv;","yuv.x = texture2D(YTexture, tc).x;","yuv.y = texture2D(UTexture, tc).x;","yuv.z = texture2D(VTexture, tc).x;"].join("\n"),ut=["vec2 tc1;","float stepW = 1.0 / float(hazermWidth);","float stepH = 1.0 / float(hazermHeight);","int x,y;","float tx;","float tMin = 0.15;","float sqr_tMin_minus_half = (tMin - 0.5) * (tMin - 0.5);","int winSize= 5;","float sumY = 0.0;","float scaleConMax = 2.0;","float scaleSatMax = 3.0;","float scaleCon;","float scaleSat;","if (hazermA > 0.0) {","tx = ((0.5 - tMin) * 9.0 * pow(yuv.x - hazermA, 2.0) / (hazermA * hazermA) + tMin);","tx = min(1.0, tx);","tx *= pow(abs(yuv.y) + abs(yuv.z), 2.0) / 0.03125 + 0.5;","tx = clamp(tx, tMin, 1.0);","for (y = -winSize / 2; y <= winSize / 2; y++) {","for (x = -winSize / 2; x <= winSize / 2; x++) {","tc1 = tc + vec2(float(x) * stepW, float(y) * stepH);","sumY += texture2D(YTexture, tc1).x;","}}","scaleCon = scaleConMax * (1.0 - pow(tx - 0.5, 2.0) / sqr_tMin_minus_half);","scaleCon = max(0.0, scaleCon);","yuv.x = yuv.x + (yuv.x - sumY / float(winSize * winSize)) * scaleCon;","yuv.x = clamp(yuv.x, 0.0, 1.0);","scaleSat = scaleSatMax + (1.0 - scaleSatMax) * pow(tx - 0.5, 2.0) / sqr_tMin_minus_half;","scaleSat = max(1.0, scaleSat);","yuv.y *= scaleSat;","yuv.z *= scaleSat;","yuv.y = clamp(yuv.y, -0.5, 0.5);","yuv.z = clamp(yuv.z, -0.5, 0.5);","}"].join("\n"),st="gl_FragColor = vec4(yuv, 1) * YUV2RGB;\n",dt="gl_FragColor = texture2D(videoTexture, tc);\n",lt=t=>["mediump vec2 dewarp(in vec2 tc){",`mediump vec4 k = vec4(${t.fK1},${t.fK2},${t.fK3},${t.fK4});`,`mediump vec2 center1 = vec2(${t.fCenter1x},${t.fCenter1y});`,`mediump vec2 focal1 = vec2(${t.fFocal1x},${t.fFocal1y});`,`mediump vec2 center2 = vec2(${t.fCenter2x},${t.fCenter2y});`,`mediump vec2 focal2 = vec2(${t.fFocal2x},${t.fFocal2y});`,"mediump vec2 tc1 = (tc - center2) / focal2;","float r = sqrt(dot(tc1, tc1));","float theta = atan(r);","float theta2 = theta * theta;","float theta4 = theta2 * theta2;","float theta6 = theta4 * theta2;","float theta8 = theta4 * theta4;","float theta_d = theta * (1.0 + k.x * theta2 + k.y * theta4 + k.z * theta6 + k.w * theta8);","float scale = 1.0;","if (r > 0.0001) scale = theta_d / r;","mediump vec2 tc2 = scale * focal1 * tc1 + center1;","return tc2;","}"].join("\n"),ht="}";class pt{constructor(t,e){this.gl=t,this.options=e,this.programHandle=null,this.vertexPositionHandle=-1,this.textureCoordsHandle=-1,this.vertextAttribNeedUpdate=0,this.heightOverWidthOfScreenHandle=null,this.heightOverWidthOfScreenNeedUpdate=0,this.fAngleHandle=null,this.fishEyeAngleNeedUpdate=0,this.unfoldParaHandle=null,this.unfoldParaNeedUpdate=0,this.heightOverWidthOfVideoHandle=null,this.fishEyeHeightOverWidthOfVideoNeedUpdate=0,this.winPlaneAlphaHandle=null,this.winPlaneBetaHandle=null,this.winPlaneSizeOverPointZHandle=null,this.winPlaneViewPointZHandle=null,this.winPlaneProjModeHandle=null,this.winPlaneCoefficientHandle=null,this.fishEyeWinPlaneParamsNeedUpdate=0}initProgram(){this.vertextAttribNeedUpdate=1,this.heightOverWidthOfScreenNeedUpdate=1,this.fishEyeAngleNeedUpdate=1,this.unfoldParaNeedUpdate=1,this.fishEyeHeightOverWidthOfVideoNeedUpdate=1,this.fishEyeWinPlaneParamsNeedUpdate=1;let{programIndex:t=0}=this.options,e=this.getVertexShaderSource(),r=this.getFragmentShaderSource(t);this.programHandle=this.createProgram(e,r),this.getBaseHandles()}getVertexShaderSource(){return D}getFragmentShaderSource(t=0){let{options:e}=this,[r,n,i,v,g,O,x,b,m,E,T,P,R,_,A]=[...new Array(15).fill("")];switch(e.verticalMirror&&(n=tt),e.horizontalMirror&&(i=et),e.dewarp&&(v=lt(e.dewarpParameter),g=rt),e.displayMode){case a:m=z,x=F,E=it;break;case f:m=k;break;case c:m=0==t?Y:Z;break;case u:case s:b=$,e.displayMode==u?(m=G,x=L,E=ot):(m=q,T=V,E=at);break;case d:m=X;break;case l:case h:m=K,x=H,E=ft;break;case p:m=$,x=H,E=ft;break;case o:default:break}""!==m&&(x=x||j,E=E||nt),e.hazerm&&(T=B,P=ut),e.frameType===y?(r=N,R=Q,_=ct,A=st):(r=W,A=dt);let w=[U,r,x,T,v,O,b,m,R,J,n,i,g,E,_,P,A,ht].filter(t=>!!t).join("\n");return w}createProgram(t,e){let{gl:r}=this;const n=r.createProgram(),i=this.loadShader(r.VERTEX_SHADER,t),o=this.loadShader(r.FRAGMENT_SHADER,e);return r.attachShader(n,i),r.attachShader(n,o),r.linkProgram(n),r.useProgram(n),n}loadShader(t,e){let{gl:r}=this;const n=r.createShader(t);return r.shaderSource(n,e),r.compileShader(n),r.getShaderParameter(n,r.COMPILE_STATUS)?n:(console.log("An error occurred compiling the shaders: "+r.getShaderInfoLog(n)),r.deleteShader(n),null)}getBaseHandles(){let{gl:t,programHandle:e}=this;this.vertexPositionHandle=t.getAttribLocation(e,"aVertexPosition"),this.textureCoordsHandle=t.getAttribLocation(e,"aTextureCoord"),this.heightOverWidthOfScreenHandle=t.getUniformLocation(e,"heightOverWidthOfScreen"),this.heightOverWidthOfVideoHandle=t.getUniformLocation(e,"heightOverWidthOfVideo"),this.fAngleHandle=t.getUniformLocation(e,"fAngle"),this.unfoldParaHandle=t.getUniformLocation(e,"unfoldPara"),this.winPlaneAlphaHandle=t.getUniformLocation(e,"alpha"),this.winPlaneBetaHandle=t.getUniformLocation(e,"beta"),this.winPlaneSizeOverPointZHandle=t.getUniformLocation(e,"sizeOverPointZ"),this.winPlaneViewPointZHandle=t.getUniformLocation(e,"viewPointZ"),this.winPlaneProjModeHandle=t.getUniformLocation(e,"projMode"),this.winPlaneCoefficientHandle=t.getUniformLocation(e,"coefficient")}setVertexAttribData(t,e,r){let{gl:n}=this,i=n.createBuffer();return n.bindBuffer(n.ARRAY_BUFFER,i),n.bufferData(n.ARRAY_BUFFER,new Float32Array(e),n.STATIC_DRAW),n.vertexAttribPointer(t,r,n.FLOAT,!1,0,0),n.enableVertexAttribArray(t),i}deleteProgram(){this.programHandle&&(this.gl.deleteProgram(this.programHandle),this.programHandle=void 0)}}function yt(t){if(t instanceof yt)return t;"number"===typeof t?this.code=t:"string"===typeof t&&(this.code=yt.errorTypes.COMMON_ERR_CUSTOM,this.message=t),this.message||(this.message=yt.defaultMessages[this.code]||"")}yt.prototype.code=0,yt.prototype.message="",yt.errorTypes={MEDIA_ERR_CUSTOM:1e3,MEDIA_ERR_ABORTED:1001,MEDIA_ERR_NETWORK:1002,MEDIA_ERR_DECODE:1003,MEDIA_ERR_SRC_NOT_SUPPORTED:1004,MEDIA_ERR_ENCRYPTED:1005,MEDIA_ERR_TRANSPORT:1006,MEDIA_ERR_CONNECT:1007,MEDIA_ERR_DECODER:1008,CLOUD_ERR_SERVER:1101,CLOUD_ERR_TOKEN:1102,CLOUD_ERR_DEVID:1104,CLOUD_ERR_BANDWIDTH:1105,CLOUD_ERR_PARAM:1106,CLOUD_ERR_DEV_RELAY:1107,CLOUD_ERR_STREAM:1108,CLOUD_ERR_VERSION:1109,CLOUD_ERR_STREAM_LIMIT:1110,CLOUD_ERR_FREE:1111,CLOUD_ERR_WINDOW_LIMIT:1112,CLOUD_ERR_CLIENT_LIMIT:1113,CLOUD_ERR_SHARE_FINISH:1114,CLOUD_ERR_PERMISSION:1115,CLOUD_ERR_ENCRYPT_CHANGED:1120,CLOUD_ERR_TALK_BUSY:1121,CLOUD_ERR_UNBIND:1122,AUDIO_ERR_AUDIO_ENABLE:1201,AUDIO_ERR_PERMISSION_DENIED:1202,AUDIO_ERR_NOT_SUPPORTED_ERROR:1203,AUDIO_ERR_MANDATORY_UNSATISFIED_ERROR:1204,AUDIO_ERR_NOT_FOUND_ERR:1205,AUDIO_ERR_AUDIO_NOSUPPORTED:1206,AUDIO_ERR_AUDIO_BUSY:1207,AUDIO_ERR_NOT_ALLOW:1208,DEVICE_ERR_CHN_OFFLINE:1301,DEVICE_ERR_CHN_INVALID:1302,DEVICE_ERR_PWD_CHANGED:1303,OVER_SHARE_TIME_ERROR:1304,REQUEST_NOT_MEET_SHARE_RULES:1305,COMMON_ERR_CUSTOM:1401,COMMON_ERR_TIME_OUT:1402,COMMON_ERR_NETWORK:1403,COMMON_ERR_INTERNAL:1404,COMMON_ERR_SESSION:1405,COMMON_ERR_OUT_OF_MEMORY:1406,LOCAL_ERR_CONFIG_PLAYBACK:1501,VIDEO_RES_WARNING:2001,NETWORK_UNSTABLE_WARNING:2002,DECODE_WARNING:2003,USING_APP_SPECIFIC_TRAFFIC:3001,RENDER_ERR_NOT_SUPPORT_WEBGL:4001,RENDER_ERR_TEXTURE_SIZE_OUTOFRANGE:4002},yt.defaultMessages={1001:"The fetching of the associated resource was aborted by the user's request.",1002:"Some kind of network error occurred which prevented the media from being successfully fetched, despite having previously been available.",1003:"Despite having previously been determined to be usable, an error occurred while trying to decode the media resource, resulting in an error.",1004:"The associated resource or media provider object (such as a MediaStream) has been found to be unsuitable.",1005:"The media is encrypted and we do not have the keys to decrypt it.",1006:"Transport error",1007:"Websocket connection to server failed",1008:"Unsupported decoder type",1101:"Some error occurred in cloud server",1102:"Token overdued or non-existent",1104:"Invalid device id",1105:"Bandwidth limitted",1106:"The parameter of request has error",1107:"Device cannot connect to relay server",1108:"Fail to get stream",1109:"Unsupported relay protocol version",1110:"The request of stream has limitted",1111:"Had watch for a long time",1112:"Too many vip windows",1113:"Too many vip clients",1114:"Share time has finished",1115:"Permission deny",1120:"The status of media encrypt has been changed",1121:"Device is on calling",1123:"Device has been unbind",1201:"Device does not support voice intercom",1202:"Permission denied error",1203:"Not supported error",1204:"Mandatory unsatisfied error",1205:"Requested device not found",1206:"Call mode not supported",1207:"The audio device is busy and cannot initiate a call",1208:"Permission denied by system",1301:"Device offline",1302:"Device invalid",1303:"The password of the device has been changed",1304:"Not during the sharing session",1305:"The request does not meet the sharing rules",1401:"Unknown error",1402:"Time out",1403:"Network error",1404:"Server internal error",1405:"Session overdued or non-existent",1406:"Out of memory",1501:"Config error",2001:"Resolution too high",2002:"Network unstable",2003:"Decode performance insufficient",3001:"The camera is currently using app specific traffic Need to view through TP-LINK Business Cloud APP",4001:"Video render fail due to not support webgl",4002:"Video render fail due to texture width or height out of range"},Object.keys(yt.errorTypes).forEach(t=>{yt[t]=yt.errorTypes[t],yt.prototype[t]=yt.errorTypes[t]});var vt=yt;const gt={vertexPosition:x,textureCoord:b,fAngle:m,fUnfoldPara:E,fWinPlaneAlpha:A,fWinPlaneBeta:w,fWinPlaneSizeOverPointZ:S,fWinPlaneViewPointZ:I,fWinPlaneProjMode:C,fWinPlaneCoefficient:M};class Ot{constructor(t){this.gl=t,this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE)}bind(t,e,r){let n=this.gl;n.activeTexture([n.TEXTURE0,n.TEXTURE1,n.TEXTURE2][t]),n.bindTexture(n.TEXTURE_2D,this.texture),n.uniform1i(n.getUniformLocation(e,r),t)}fill(t,e,r,n){let i=this.gl;i.bindTexture(i.TEXTURE_2D,this.texture),n===v?i.texImage2D(i.TEXTURE_2D,0,i.RGBA,i.RGBA,i.UNSIGNED_BYTE,r):i.texImage2D(i.TEXTURE_2D,0,i.LUMINANCE,t,e,0,i.LUMINANCE,i.UNSIGNED_BYTE,r)}delete(){this.gl.deleteTexture(this.texture)}}class xt{constructor(t,e){this.canvas=t,this.gl=t.getContext("webgl",{preserveDrawingBuffer:e.preserveDrawingBuffer}),this.programNum=1,this.glPrograms=[],this.zoomBeans=[],this.fDisplayRatio=1,this.fVerticalOffset=0,this.fScreenRatio=1,this.fVideoRatio=1,this.displayMode=e.displayMode||o,this.frameType=e.frameType||this.frameType,this.initGL()}initGL(){if(!this.gl)return void console.log("[ER] WebGL not supported.");switch(this.displayMode){case c:this.programNum=2;break;case l:this.programNum=4;break;default:this.programNum=1;break}let t=this.gl;t.pixelStorei(t.UNPACK_ALIGNMENT,1);for(let e=0;e<this.programNum;e++){let r=new pt(t,{displayMode:this.displayMode||"ORIGIN",programIndex:e,frameType:this.frameType}),n=Object.assign({},gt);switch(this.displayMode){case c:n.vertexPosition=this.getFishEye180DDefaultParams(e);break;case l:n.vertexPosition=this.getWinPlaneQuadRecDefaultParams(e),n.fWinPlaneAlpha=T,n.fWinPlaneBeta=P[e],n.fWinPlaneSizeOverPointZ=R,n.fWinPlaneViewPointZ=_;break}r.initProgram(),this.frameType===y?(r.y=new Ot(t),r.u=new Ot(t),r.v=new Ot(t),r.y.bind(0,r.programHandle,"YTexture"),r.u.bind(1,r.programHandle,"UTexture"),r.v.bind(2,r.programHandle,"VTexture")):(r.t=new Ot(t),r.t.bind(0,r.programHandle,"videoTexture")),this.glPrograms[e]=r,this.zoomBeans[e]=n}this.maxTextureSize=this.gl.getParameter(this.gl.MAX_TEXTURE_SIZE)}getFishEye180DDefaultParams(t){let e=[-1,-1],r=[0+O/2,-1],[n,i]=[2,(2-O)/2];return[e[t]+n,r[t]+i,0,e[t],r[t]+i,0,e[t]+n,r[t],0,e[t],r[t],0]}getWinPlaneQuadRecDefaultParams(t){let e=O,r=O*this.fScreenRatio,[n,i,o,a]=[0,0,(2-e)/2,(2-r)/2];switch(t){case 0:n=-1,i=0+e/2;break;case 1:n=0+e/2,i=0+r/2;break;case 2:n=-1,i=-1;break;case 3:n=0+r/2,i=-1;break}return[n+o,i+a,0,n,i+a,0,n+o,i,0,n,i,0]}renderFrame(t,e,r,n,i){if(!this.gl)return console.log("[ER] Render frame failed due to WebGL not supported."),new vt(vt.RENDER_ERR_NOT_SUPPORT_WEBGL);if(this.maxTextureSize>0&&(this.maxTextureSize<e||this.maxTextureSize<r))return console.log("[ER] Render frame failed due to width or height out of range.",this.maxTextureSize,e,r),new vt(vt.RENDER_ERR_TEXTURE_SIZE_OUTOFRANGE);let{gl:o,glPrograms:a,zoomBeans:f}=this;o.viewport(0,0,e,r),o.clearColor(0,0,0,0),o.clear(o.COLOR_BUFFER_BIT),a.forEach((c,u)=>{let s=f[u];o.useProgram(c.programHandle),c.vertextAttribNeedUpdate?(c.vBuffer=c.setVertexAttribData(c.vertexPositionHandle,s.vertexPosition,3),c.fBuffer=c.setVertexAttribData(c.textureCoordsHandle,s.textureCoord,2),c.vertextAttribNeedUpdate=0):a.length>1&&(o.bindBuffer(o.ARRAY_BUFFER,c.vBuffer),o.vertexAttribPointer(c.vertexPositionHandle,3,o.FLOAT,!1,0,0),o.enableVertexAttribArray(c.vertexPositionHandle),o.bindBuffer(o.ARRAY_BUFFER,c.fBuffer),o.vertexAttribPointer(c.textureCoordsHandle,2,o.FLOAT,!1,0,0),o.enableVertexAttribArray(c.textureCoordsHandle)),c.heightOverWidthOfScreenNeedUpdate&&null!==c.heightOverWidthOfScreenHandle&&(o.uniform1f(c.heightOverWidthOfScreenHandle,this.fScreenRatio),c.heightOverWidthOfScreenNeedUpdate=0),c.fishEyeHeightOverWidthOfVideoNeedUpdate&&null!==c.heightOverWidthOfVideoHandle&&(o.uniform1f(c.heightOverWidthOfVideoHandle,this.fVideoRatio),c.fishEyeHeightOverWidthOfVideoNeedUpdate=0),c.fishEyeAngleNeedUpdate&&null!==c.fAngleHandle&&(o.uniform1f(c.fAngleHandle,s.fAngle),c.fishEyeAngleNeedUpdate=0),c.unfoldParaNeedUpdate&&null!==c.unfoldParaHandle&&(o.uniform1f(c.unfoldParaHandle,s.fUnfoldPara),c.unfoldParaNeedUpdate=0),c.fishEyeWinPlaneParamsNeedUpdate&&(null!==c.winPlaneAlphaHandle&&o.uniform1f(c.winPlaneAlphaHandle,s.fWinPlaneAlpha),null!==c.winPlaneBetaHandle&&o.uniform1f(c.winPlaneBetaHandle,s.fWinPlaneBeta),null!==c.winPlaneSizeOverPointZHandle&&o.uniform1f(c.winPlaneSizeOverPointZHandle,s.fWinPlaneSizeOverPointZ),null!==c.winPlaneViewPointZHandle&&o.uniform1f(c.winPlaneViewPointZHandle,s.fWinPlaneViewPointZ),null!==c.winPlaneProjModeHandle&&o.uniform1f(c.winPlaneProjModeHandle,s.fWinPlaneProjMode),null!==c.winPlaneCoefficientHandle&&o.uniform1f(c.winPlaneCoefficientHandle,s.fWinPlaneCoefficient),c.fishEyeWinPlaneParamsNeedUpdate=0),this.frameType===y?(c.y.fill(e,r,t.subarray(0,n)),c.u.fill(e>>1,r>>1,t.subarray(n,n+i)),c.v.fill(e>>1,r>>1,t.subarray(n+i,t.length))):c.t.fill(e,r,t,v),o.drawArrays(o.TRIANGLE_STRIP,0,4)}),t.close&&t.close()}deleteProgram(){this.glPrograms.forEach(t=>{t.deleteProgram()}),this.glPrograms=[],this.zoomBeans=[]}setDisplayInfo(t){this.dispose(),this.displayMode=t.displayMode||o,this.frameType=t.frameType||this.frameType,this.initGL()}setFrameType(t){this.frameType!==t&&(this.dispose(),this.frameType=t,this.initGL())}dispose(){const{gl:t,glPrograms:e,frameType:r}=this;e.forEach(e=>{r===y?(e.y.delete(),e.u.delete(),e.v.delete()):e.t.delete(),t.deleteBuffer(e.vBuffer),t.deleteBuffer(e.fBuffer),e.deleteProgram()}),t.clear(t.COLOR_BUFFER_BIT),this.glPrograms=[],this.zoomBeans=[]}}var bt=xt;e["default"]=bt},fc6a:function(t,e,r){"use strict";var n=r("44ad"),i=r("1d80");t.exports=function(t){return n(i(t))}},fdbf:function(t,e,r){"use strict";var n=r("04f8");t.exports=n&&!Symbol.sham&&"symbol"==typeof Symbol.iterator}})}));
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